ὑπόψαμμος

English (LSJ)

ον,

   A like ὕφαμμος, having sand under or in it, sandy, γῆ ὑποψαμμοτέρη somewhat sandy, Hdt.2.12, cf. Paus.4.36.5; τὸ ἀραιὸν καὶ ὑ. Ephor.65(c) J.; λίμνη X.HG3.2.19; θάλαττα Plu. Pomp.78.

German (Pape)

[Seite 1240] wie ὕφαμμος, unterwärts Sand habend, mit Sand untermischt; λίμνη Xen. Hell. 3, 2,19; compar., Her. 2, 12.